10. Skeletal Muscle Flashcards
1
Q
Muscle physiology Sarcolemma :- Connecting tissue layer 1. 2. 3. Functional unit of muscle is
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37
2
Q
Area between two Z lines :-
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3
Q
Structures of sarcomere :- A band :- 1. 2. 3.
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4
Q
I band
1. Always has :-
2.
A
37
5
Q
H band :-
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6
Q
M line :- images
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7
Q
Connects image
- Titian :-
- @ actin :-
- Myomesin
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8
Q
During contraction Shortens 1. 2. Unchanged m:-
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37
9
Q
Proteins in skeletal muscles :- 1. Contractile proteins a. b. 2. Relaxation protein :- 3. Supporting protein :- a. b. c. 4. Regulating protein :- a. b.
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38
10
Q
At rest :-
During contraction :-
Ca binds to :-
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11
Q
Excitation contraction coupling
Read
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38
12
Q
Tetradotoxin inhibits
Seen in :-
Lambert Eaton myasthenia syndrome :-
Ach is released by Exocytosis using SNAIR protein
SNAIR protein destroyed by :-
Type of paralysis
Botulinum toxin causes :-
Nicotinic receptors are affected in :-
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39
13
Q
Source of Ca
Ryanodine receptor
Dihydropyrimidine receptor
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39
14
Q
SLIDING FILAMENT THEORY STEP 1. Step 2 :- Step 3. Step 4:- ( power stroke ) When these 4 steps occurs continuously :-
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